Circuit Symbol of Diodes
| Diodes | ||
| Component | Circuit Symbol | Function of Component |
| Diode | ![]() | A device which only allows current to flow in one direction. |
| LED Light Emitting Diode | ![]() | A transducer which converts electrical energy to light. |
| Zener Diode | ![]() | A special diode which is used to maintain a fixed voltage across its terminals. |
| Photodiode | ![]() | A light-sensitive diode. |








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